Stateful Switchover.pdf - Cisco Learning Home

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Configuration Examples Setting the Configuration Register Boot Variable on the Cisco 7500 Example 40 Stateful Switchover Stateful Switchover This example sets the configuration register boot variable to boot from Flash and then reload each of the RSPs with the new image. Router# show version Router# configure terminal Router(config)# no boot system flash slot0: Router(config)# boot system flash slot0:rsp-pv-mz Router(config)# config-register 0x2101 Router(config)# exit Router# copy running-config startup-config Router# reload Setting the Configuration Register Boot Variable on the Cisco 10000 Example This example sets the configuration register boot variable to boot from Flash and then reload each of the PREs with the new image. Router# show version Router# configure terminal Router(config)# no boot system flash slot0: Router(config)# boot system flash disk0:c10k-p6-mz Router(config)# config-register 0x2101 Router(config)# exit Router# copy running-config startup-config Router# reload Setting the Configuration Register Boot Variable on the Cisco 12000 Example Configuring SSO Examples This example sets the configuration register boot variable to boot from Flash and then reload each GRP with the new image. Router# show version Router# configure terminal Router(config)# no boot system flash slot0: Router(config)# boot system flash slot0:gsr-p-mz Router(config)# config-register 0x2101 Router(config)# exit Router# copy running-config startup-config Router# reload Note The Cisco 7304 router and Cisco 10000 series Internet router operate in SSO mode by default after reloading SSO-aware images on the device. No configuration is necessary. This section includes the following examples: • Configuring SSO on the Cisco 7500 Series Router: Example • Configuring SSO on the Cisco 12000 Series Internet Router: Example • Verifying SSO Configuration: Examples, page 41
Stateful Switchover Configuring SSO on the Cisco 7500 Series Router: Example Stateful Switchover Configuration Examples In the following example, the active RSP is installed in slot 6 and the standby RSP is installed in slot 7 of a Cisco 7513 router: Router# configure terminal Router(config)# hw-module slot 6 image slot0:rsp-pv-mz Router(config)# hw-module slot 7 image slot0:rsp-pv-mz Router(config)# redundancy Router(config-red)# mode sso Router(config-red)# end Router# copy running-config startup-config Configuring SSO on the Cisco 12000 Series Internet Router: Example In the following example configures SSO mode on the active RP; the standby RP is automatically reset and synchronized with the active RP. Router# configure terminal Router(config)# redundancy Router(config-red)# mode sso Router(config-red)# end Router# copy running-config startup-config Configuring Autosync LMI Sequence Numbers: Example In the following example, Frame Relay SSO is configured to support autosynchronization of LMI sequence numbers between the active RP and standby RP: Router (config)# frame-relay redundancy auto-sync lmi-sequence-numbers Verifying SSO Configuration: Examples This section provides the following configuration examples: • Verifying that SSO Is Configured on Various Platforms: Examples, page 41 • Verifying that SSO Is Operating on the Device: Examples, page 43 • Verifying SSO Protocols and Applications: Examples, page 44 Verifying that SSO Is Configured on Various Platforms: Examples In the following several examples, the show redundancy command is used to verify that SSO is configured on the device. Sample output is provided for several platforms. Cisco 7304 Router: Example Router# show redundancy Redundant System Information : ------------------------------ Available system uptime = 2 minutes Switchovers system experienced = 0 Standby failures = 0 Last switchover reason = none Hardware Mode = Duplex Configured Redundancy Mode = SSO Operating Redundancy Mode = SSO Maintenance Mode = Disabled 41
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